Construction was started in 2010 and expected to complete by 2016 | Each of the following are under construction and, depending on the order of completion, could become the world's tallest building or structure in at least one category:• |
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It will be the first building to ever reach a height of 1 kilometer, and will also become the tallest building in the world | Is currently under construction in Saudi Arabia, scheduled to be completed in 2019 |
, alternative ranking of the world's 1000 tallest buildings• Also, it will become the world's tallest all-office building and the tallest outside the middle east | |
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